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async.c (46686) async.c (47061)
1/*
2 * PPP Async HDLC Module
3 *
4 * Written by Toshiharu OHNO (tony-o@iij.ad.jp)
5 *
6 * Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd.
7 *
8 * Redistribution and use in source and binary forms are permitted
9 * provided that the above copyright notice and this paragraph are
10 * duplicated in all such forms and that any documentation,
11 * advertising materials, and other materials related to such
12 * distribution and use acknowledge that the software was developed
13 * by the Internet Initiative Japan, Inc. The name of the
14 * IIJ may not be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
18 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
19 *
1/*
2 * PPP Async HDLC Module
3 *
4 * Written by Toshiharu OHNO (tony-o@iij.ad.jp)
5 *
6 * Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd.
7 *
8 * Redistribution and use in source and binary forms are permitted
9 * provided that the above copyright notice and this paragraph are
10 * duplicated in all such forms and that any documentation,
11 * advertising materials, and other materials related to such
12 * distribution and use acknowledge that the software was developed
13 * by the Internet Initiative Japan, Inc. The name of the
14 * IIJ may not be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
18 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
19 *
20 * $Id: async.c,v 1.18 1999/04/11 08:51:04 brian Exp $
20 * $Id: async.c,v 1.19 1999/05/08 11:06:03 brian Exp $
21 *
22 */
23#include <sys/types.h>
24
25#include <string.h>
26#include <termios.h>
27
28#include "layer.h"

--- 84 unchanged lines hidden (view full) ---

113 wp = wp->next;
114 }
115 *cp++ = HDLC_SYN;
116
117 cnt = cp - p->async.xbuff;
118 mbuf_Free(bp);
119 bp = mbuf_Alloc(cnt, MB_ASYNC);
120 memcpy(MBUF_CTOP(bp), p->async.xbuff, cnt);
21 *
22 */
23#include <sys/types.h>
24
25#include <string.h>
26#include <termios.h>
27
28#include "layer.h"

--- 84 unchanged lines hidden (view full) ---

113 wp = wp->next;
114 }
115 *cp++ = HDLC_SYN;
116
117 cnt = cp - p->async.xbuff;
118 mbuf_Free(bp);
119 bp = mbuf_Alloc(cnt, MB_ASYNC);
120 memcpy(MBUF_CTOP(bp), p->async.xbuff, cnt);
121 log_DumpBp(LogASYNC, "Write", bp);
121
122
122 log_DumpBp(LogASYNC, "WriteModem", bp);
123 return bp;
124}
125
126static struct mbuf *
127async_Decode(struct async *async, u_char c)
128{
129 struct mbuf *bp;
130

--- 46 unchanged lines hidden (view full) ---

177
178 if (!p) {
179 log_Printf(LogERROR, "Can't Pull an async packet from a logical link\n");
180 return bp;
181 }
182
183 last = &nbp;
184
123 return bp;
124}
125
126static struct mbuf *
127async_Decode(struct async *async, u_char c)
128{
129 struct mbuf *bp;
130

--- 46 unchanged lines hidden (view full) ---

177
178 if (!p) {
179 log_Printf(LogERROR, "Can't Pull an async packet from a logical link\n");
180 return bp;
181 }
182
183 last = &nbp;
184
185 log_DumpBp(LogASYNC, "Read", bp);
185 while (bp) {
186 ch = MBUF_CTOP(bp);
187 for (cnt = bp->cnt; cnt; cnt--) {
188 *last = async_Decode(&p->async, *ch++);
189 if (*last != NULL)
190 last = &(*last)->pnext;
191 }
192 bp = mbuf_FreeSeg(bp);
193 }
194
195 return nbp;
196}
197
198struct layer asynclayer =
199 { LAYER_ASYNC, "async", async_LayerPush, async_LayerPull };
186 while (bp) {
187 ch = MBUF_CTOP(bp);
188 for (cnt = bp->cnt; cnt; cnt--) {
189 *last = async_Decode(&p->async, *ch++);
190 if (*last != NULL)
191 last = &(*last)->pnext;
192 }
193 bp = mbuf_FreeSeg(bp);
194 }
195
196 return nbp;
197}
198
199struct layer asynclayer =
200 { LAYER_ASYNC, "async", async_LayerPush, async_LayerPull };